/Engine/Plugins/Experimental/PhysicsControl/Source/PhysicsControl/Public/PhysicsControlComponent.h
Returns a reference to all the control names that have been created and are in the specified set, which could be a limb, or a subsequently created set. Standard sets will include "All", "WorldSpace", "ParentSpace" and things like "WorldSpace-ArmLeft", depending on how controls have been created.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=PhysicsControl) const [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > & GetControlNamesInSet ( const [FName](API\Runtime\Core\UObject\FName) Set ) const